1998 Hyundai Elantra "low heater air flow" Questions

...low RPM heater works fine at normal speeds but air cools when at a stop or low speed heater core could be clogged not allowing sufficient flow. feel both lines coming from heater core at firewall and ...

...heater core valve is opening I don't think your car has one. At least I don't list one in the parts book. Most models have a blend door that controls air flowing thru the core. Low coolant in the ...

...air stills blows after the car is running at normal tempature. hi this sounds like the elec operated coolant control valve has failed? common fault on ford models however to confirm this? if you warm ...

...coil outside plugged no air flow replace air filter in dash and clean outside of heater coil if you have very low air movement to defrosters--- try this last thing first --- cheapest things first

low temp good air flow It is possible the engine thermostat is faulty and preventing the engine from getting hot enough to provide a good heater temperature. It is possible the air mixing flaps aren't

...out cold air. Can you help? Check the valve that controls coolant flow to the cabin Check the coolant in the radiator. If it is low, it won't flow to the heater core, and it will only blow hot

...low though the heater core, it must be partly blocked, and should be replaced. Possibly a dirty or bad heater core. These cars are also notorious for having vacuum leaks which would then impact the ...

...water flow, asumming that engine temp. is ok other wise and water/ coolant is topped off. Sounds like the heater core is clogged, try back- flushing it with water [ careful - use very low pressure ]

...low, the heater will not have any flow of the hot coolant to heat the inside of your car. If the coolant level is low, you need to find out why it is low. The coolantis in a sealed system and you ...

...Heater Circuit Low Voltage Bank 1 Sensor 1 P0032 HO2S Heater Circuit High Voltage Bank 1 Sensor 1 P0036 HO2S Heater Control Circuit Bank 1 Sensor 2 P0037 HO2S Heater Circuit Low Voltage Bank 1 Sensor ...